Donating a kidney can help save a life, but it also brings risks to the donor. A recent study examined whether older adults who donated a kidney faced greater risks.

Conventional medical wisdom regarding acute kidney injury and chronic kidney disease considers the two conditions separately. But relying on dated practices doesn’t always result in the best patient care.

Exercise and diet both play a role in physical fitness, but does one trump the other? Perhaps so, according to the researchers behind a long-term study of obesity.

One of the few vaccines that can actually protect against cancer is the human papillomavirus (HPV) vaccine, which prevents four strains of HPV. But some parents have expressed concerns about the safety of the HPV vaccine.

It's true that any kind of surgery, including gallbladder removal, can increase the risk of infection. But that doesn't mean patients always need to take antibiotics afterward.

Total knee replacement surgery is one of the more common operations performed in hospitals today. It’s not the only option, however, for a bum knee- nor is it the safest.

Quitting smoking can be one of the toughest battles a person can face, but a variety of treatments can help. Sometimes combining treatments may work too.

More than one-third of adults in the US are obese, according to the Centers for Disease Control and Prevention (CDC). Getting bigger around the waistline, however, can be a deadly problem.

Being obese can increase the risk for numerous health problems. Being underweight isn't healthy either; it may even raise the risk for chronic lung disease.